Knee Replacement

The operation involves substantial postoperative pain, and includes vigorous physical rehabilitation. The recovery period is may be 6 weeks or longer and may involve the use of mobility aids (eg. walking frames, canes, crutches) to enable the patient's return to preoperative mobility.

Hip Replacement

A titanium hip prosthesis, with a ceramic head and polyethylene acetabular cup. The modern artificial joint owes much to the work of John Charnley at Wrightington Hospital; his work in the field of tribology resulted in a design that almost completely replaced the other designs by the 1970s..